释义 |
ethyl acetoacetate短语¹⁴⁴⁹⁷²⁺² 基本例句 乙酰乙酸乙酯 The resulted IR Spectrum makes it possible to determine the reaction mechanism of ethyl acetoacetate with tetra butyl titanate. 得到的红外光谱使其决定钛酸四丁酯与乙酰乙酸乙酯的反应历程。 chemyq The synthesis of6- methyluracil from ethyl acetoacetate and urea with PEG-400 as phase transfer catalyst was studied. 研究了聚乙二醇-400为相转移催化剂,乙酰乙酸乙酯和尿素合成6-甲基脲嘧啶的工艺条件。 dictall The synthesis of apple ester from ethyl acetoacetate and glycol catalyzed by aluminum sulfate is studied. Effects of reaction condition on the yield of ester are investigated by orthogonal method. 介绍用硫酸铝作催化剂催化,乙酰乙酸乙酯和乙二醇反应合成苹果酯,用正交试验方法研究了反应因素对苹果酯收率的影响。 chemyq |